Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form?

Explanation

To determine whose mixture is in solution form among the mixtures of red chili powder in water, butter in water, petrol in water, and honey in water, we need to understand what constitutes a solution.

### Step-by-Step Solution:

1. **Understanding Solutions**: A solution is a homogeneous mixture of two or more substances where the solute (the substance being dissolved) is completely soluble in the solvent (the substance doing the dissolving).

2. **Analyzing Each Mixture**:
- **Red Chili Powder in Water**: When red chili powder is added to water, it does not dissolve completely. Instead, it floats on the surface or settles at the bottom, forming a heterogeneous mixture.
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